4GB RAM Installed And 1.75GB Is Usable
Dec 15, 2011
I have 4GB of RAM installed in my computer (the stock RAM; I have changed no hardware since receiving the laptop), but Windows tells me on 1.75GB of it is usable. Things I've tried so far, to no avail, include. Going into msconfig and switching off "Maximum Memory", Enable Memory Remapping in Bios (Bios has no Memory Remapping option)
Switching RAM Slots One RAM stick at a time (laptop would not start � tried both sticks in both slots) Ran Microsoft memory analysis? Updated some drivers
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Oct 2, 2009
I have 7GB of ram and right now it says 5.75GB usable, could the rest of it be taken for other programs or for startup?
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Mar 7, 2012
32-Bit Windows 7 Shows 2.75GB Usable Ram out of 4GB
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Feb 7, 2012
I have 6gb ram installed but only 3gb ram is usable why is this and how can I get it back to 6gb again.
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Dec 19, 2011
My motherboard is the ASUS Maximus III Formula, using Intel Core I5 760. And I recently did a dual boot on my system. One copy of Windows 7 Ultimate x64 on my original hard drive, and a Windows 7 Home premium x64 bit on another hard drive ( Hitachi ) and after a month or two, I had to format that ( Hitachi ) hard drive as I needed it for extra storage and now I'm getting only 2 Gb usable RAM but I installed 4Gb.
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Mar 1, 2011
i have corsair xms 2x2 4GB 9-9-9-24 1333mhz with phenom 965 and biostar890gxe..........for about 15days after aasembling the pc running windows7 x64 my pc showed ram installed 4gb 3.25 usable
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Aug 25, 2012
My PC says it has 4GB of RAM installed but only 3.5GB are usable, I have windows 7 home premium X64.
CPU: Athlon II x3 Unlocked to Phenom II X4 @3Ghz.
Motherboard: Asrock N68-VS3-UCC
RAM: 4GB DDR3 generic brand.
HDD: 1x 320GB SATA, 1x 250GB SATA and 1x 250GB IDE
GPU: XFX ONE 5400 series
PSUEM 500w PSU.
Windows recognized the full 4GB and the whole 4GB were usable but when I checked about 2 days ago it said that only 3.5GB were usable. I started to do a little research and I found out that my GPU might be using Hyper Memory so i tuned off my system, removed the GPU and when I went to see how much RAM was usable it said 4GB installed 3.25GB usable. So its not my GPU.
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Oct 20, 2012
My computer's memory was 2GB and i added 4GB more, but only 2GB is usable. I have tried many time take the Ram out and put it back but i still have the same problem.
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Nov 13, 2009
I have also checked the BIOS . but there is no place where i can dissble " Dram over 4Remapp" or something like that.
everything i can think of i have checked.
I know 32bit can't handle more than 2 or 3GB memory, but it can handle 2gb, that much i know.
when i start my computer. it show 1024mb ram . that counts that up. but in everything else it shows 2GB bit 1 usable.
and it says that 1024mb is hardware reserved, ( maybe it is that ? how do i change that ?
I have run a test. nothing wrong with either of the memory sticks
I also have seperat graphic card with 512BM Ram on.
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Dec 9, 2009
Okay so i have a Quad core x6850 Intel CPU, EVGA 280GTX GPU CARD.
Now i installed window 7 x86 bit version ULTIMATE. And i have 6GB DDR3 RAM INSTALLED INTO MY geforce Nforce 790i motherboard. Now the problem is that in Windows 7 it shows "Installed Memory: 6.00GB (2.75 GB Useable)". But in Bios it shows me that 6gigs in installed.
Now does that mean it is WIN 7 that is just reading my DDR3 RAM WRONG? But i am still getting the full performance for all of my 6GB DDR 3 RAM? Since my bios is reading all of the 6GB RAM?
Also i tried doing what other forums indiated i should be doing like type config and check mark or uncheck mark MAX MEMORY. Tried doing that, but noting happened.
Now the only thats left and i am having confusion with is, some people are saying i should Enable Memory remapping in bios? I have a nforce 790i motherboard, and i can't find that exactly in my bios mode. Is there any other way to fix this problem?
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May 9, 2009
I have 4gb RAM on the Dell XPS 1530 machine.
I installed Windows 7 64 bit from on two partitions.
The first one, a fresh install, Computer Properties shows 4gb RAM, the same value (4096) is also showed in Task Manager.
The second one, I upgraded from Vista 64 bit, it shows 4gb RAM (2usable), the same (2048) is showed in Task Manager.
I heard the story about Memory Remap, my mainboard didn't have it. However, the first case, it automatically recognize 4gb RAM, I guess Windows7 manages everything. Is there anyway I 'turn on' the rest 2gb in the second case?
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Jul 16, 2009
Earlier tonight I rebooted and noticed that it took an extremely long time to boot. Almost 10 minutes to get the desktop completely loaded. So I checked task manager > performance tab and it says I have only 256mb of RAM. So then I checked My Computer > Properties and noticed it said "Installed Memory (RAM): 4.00 GB (256 MB Usable)" I've had Windows 7 installed for a good 2 weeks now and never had a problem, until I rebooted tonight. I checked my BIOS and all my sticks show up. I DO NOT have a shared memory video card. Memory test checked out fine. I haven't installed any new hardware, nor touched the sticks at all. why Windows 7 started doing this?
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Nov 19, 2011
I have 8GB of memory installed. Why can I only use 149MB?
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Dec 16, 2009
I recently upgraded from Vista home premium 32 bit to Windows 7 Home premium 32 bit. My system now shows RAM 4GB installed (2.97GB usable) this never happened in my vista version.
I have searched numerous threads on this forum but and have found similar issues but none of the threads seem to have been resolved.
I am thinking to revert back to Vista if i cant make full use of my RAM.
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Sep 21, 2012
i have dell inspiron 5520 i install window7 32bit my ram is 8gb but show only 2.66 gb
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Sep 2, 2011
I had to do a clean reinstall, before it was showing all 4GB of ram as usable but now only 2.75GB. It is 32 bit but was using all 4GB before on the same system.I've been into msconfig and the boxes are unchecked, strange.
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Jan 22, 2011
For some odd reason, my new Windows 7 32 bit laptop is constantly using 40+ precent of it's installed RAM. I checked my computer's properties and found that Windows is only using 2.84 gigs of my computer's 4 gigs of ram. Is there any way I can force it to use 4 gigs? Or at least, force it to use more than my current amount? I have attached a screenshot of my computer's RAM specs.
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Feb 8, 2013
I have an older desktop, Acer Aspire running Windows 7 Ultimate 32 bit, it had 4gb ram installed (I did know that only 3gb could be used)yesterday I took one of the ram sticks out ( had 4 x 1gb) and put in a different computer. Since then it has started crawling along, I have noticed that it says 3gb ram 1 gb usable. is this something that I need to go into the bios for? I ran the memory diagnostic tool this morning but did not get to see a report.
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Mar 8, 2011
I have quite a new ASUS laptop, which came with 64bit windows 7 and I took off and installed my copy of Windows 7 32bit (I didn't see the point in having 64bit on a laptop).
When I first installed the OS and everything Windows said I had 3.25GB ram usable or something like that which is normal but for some reason I now only have 2.92 usable and I don't know why >.< (this may have happened when SP1 was installed)
The specs are:
Intel(R) Pentium(R) CPU P6100 @ 2.00GHz
4GB DDR3 Ram
Intel HD Graphics
Mobile Intel HM55 Express Chipset
320GB 5400RPM HDD
Print screen of control panel>system: Image - TinyPic - Free Image Hosting, Photo Sharing & Video Hosting
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Jun 7, 2011
I have 4g of ram. In control panel it is listed 4.00gb RAM(Only 2.00gb usable) I have 2x(2g) sticksMemory hole remapping is enabled. Max memory is unchecked.I have an M4A785-M motherboard.I have Windows 7 Ultimate 64 bit.This problem started happening a couple weeks ago.
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Sep 19, 2009
i used Windows 7 64-bit with 4GB of My RAM, But In My Computer detect Is 4GB ( 3.25 GB usable)
can i use FuLLY of may RAM ?
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Dec 18, 2009
Okay, this is really weird. Previously, I had had a ordered a kit of 4GB ram with one defective stick. After installing Windows 7 Ultimate 64bit with the good stick, I RMA'd the kit back to newegg. The exchange arrived today, and after installing the new kit of ram, windows only recognizes 3.26GB of it! Under the system information panel, it says:
Installed memory (RAM): 4.00 GB (3.26 useable)
despite me having a 64 bit OS.
Whats up with this? I Memtested the ram and it shows up as only 3255 MB in there also.
Does anyone know why?
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Dec 2, 2009
decided to install hardware with my computer on and i sliped while putting a pci card in and hit su,tin that booted off my computer. now when i got it back on i have this message in my system properties "4.00 GB installed (3.25 GB usable)" anyone know hot to fix this. im using windows 7 ultimate X64. i think i may have either hit the GPU or a capacitor?
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Oct 22, 2009
So I have had the MSDN AA version of Windows 7 64-bit for quite some time now and this has never shown up until after I did the latest update. Was wondering if this was out of the ordinary.
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Dec 11, 2009
I have installed windows 7 64 bit version on new computer with a 64 bit processor Quad CPU Q8200 233 ghz , I have 4x2gb of DDR2 800 RAM 8gb in total all are same frequency but it lists only (3.19 gb usable) after the 8gb in computer properties.
why isnt windows 7 accessing all my RAM as this is why I moved to 64 bit ?
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Jul 31, 2012
I have 6144mb of ram on my Compaq Presario CQ62 402AU. So I have the 2GB Hp stick which came with the laptop (2GB DDR3 1066MHz) and I have a 4GB stick from G-Skill). So there should be 5.76GB usable, but I only have 1.74GB usable. This is what is it when I only had the 2GB. The Bios says there is 6144GB in there. Windows says there 6.0GB in there also.
So what I have tried:
- Running Mem Tests (HP one which came with my laptop and Memtestx86)
- Taking out the ram and putting them in there sorts again
- Taking out the ram, running a pencil eraser over the connecters and then putting them back in
- Doing testing so Only 1 is in and try that in both slots for both sticks of ram
- Swapping the ram positions
- Making sure that Max ram is not selected in Msconfig
So basic System info you may want to know (Most of my profile info is there of my computer) Windows 7 Home Premium 64-Bit SP1 Installed Memory (Ram) (This is from the basic system info page) 6.00GB (1.74GB Usable). The odd thing is that it worked fine for a while. Today I went to school with the 5.76GB and I come back home 8 hours later, the computer has only been on lock for this time and there is only 1.76GB usable.
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May 11, 2012
My laptop specsWindows says only 3gb out of the 4 I have installed are usable, why is that? Can I do something so that all 4 are usable?Attached is my dxdiag fileThis is my msinfo32 file: url...
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Aug 30, 2012
I have a computer that is running Windows 7 Ultimate 32-bit. It has 6 GB of RAM installed, but it says that 3.00 GB are usable. My understanding is that Ultimate 32 bit can handle 4 GB of RAM. What do I have setup in correctly?
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May 21, 2011
i am running windows 7 Home premium 64-bit and recently upgraded my RAM from 3GB to 4GB. Windows 7 reports only 3.25 being usable. i have a dedicated video card an my onboard one is definitely disabled. my BIOS reports 4096MB RAM detected. max memory and CPU are unchecked in msconfig. from looking at the resource monitor i see that 770MB of RAM is labeled as hardware reserved memory.also i don't know if my BIOS supports a memory remap feature or not but even if it does its a locked HP BIOS so most setting are inaccessible.is there any way to get my full memory? or does anyone know why this is happening on a 64-bit os?
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Jul 11, 2011
I have performance problems. Even though I have 4GB RAM installed physically, my hard disk runs like crazy. A moment ago, I encountered the system report below, which says that only 2GB of my RAM is usable.
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Oct 25, 2009
I updated my XP 32 OS to windows 7 64 bit professional. Everything works fine on this upgrade. BUT when i go >start>mycmputer>right click and select properties i see 6 gigs but only 3.25 GB usable. Any way i can use the rest of those gigs. When i bought windows 7 two days ago i bought 2 stick of ram with 2 gigs each stick. so i have (2) 1 gig stick and (2) 2 gig sticks.
Like i sed my PC (Alienware was built in Dic2005) originally was made with 32 OS xp if someone can guide me on how to get my info of my mother board I will be glad to follows those steps so i can post them here and hopefully gets some help. If not I just will return the extra gigs I bought.
PS- I reinstall windows 7 from scratched but with OS 32 bit and I could see the same 6 gigs but only 3.25 gigs usable.
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